Raised version number to 1.15.2

configure.ac

@@ -18,7 +18,7 @@
 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
 # 02111-1307, USA.
 
-AC_INIT([GNU tar], [1.15.1], [[email protected]])
+AC_INIT([GNU tar], [1.15.2], [[email protected]])
 AC_CONFIG_SRCDIR([src/tar.c])
 AC_CONFIG_AUX_DIR([config])
 AC_CONFIG_HEADERS([config.h:config.hin])